Re: [PATCH v1 net-next 6/7] dt-bindings: net: add generic ethernet-switch-port binding

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On Mon, Oct 24, 2022 at 10:03:54PM -0700, Colin Foster wrote:
> The dsa-port.yaml binding had several references that can be common to all
> ethernet ports, not just dsa-specific ones. Break out the generic bindings
> to ethernet-switch-port.yaml they can be used by non-dsa drivers.
> 
> Signed-off-by: Colin Foster <colin.foster@xxxxxxxxxxxxxxxx>
> Suggested-by: Vladimir Oltean <olteanv@xxxxxxxxx>
> ---
>  .../devicetree/bindings/net/dsa/dsa-port.yaml | 26 +----------
>  .../bindings/net/ethernet-switch-port.yaml    | 44 +++++++++++++++++++
>  .../bindings/net/ethernet-switch.yaml         |  4 +-
>  MAINTAINERS                                   |  1 +
>  4 files changed, 50 insertions(+), 25 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/net/ethernet-switch-port.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/dsa/dsa-port.yaml b/Documentation/devicetree/bindings/net/dsa/dsa-port.yaml
> index 10ad7e71097b..c5144e733511 100644
> --- a/Documentation/devicetree/bindings/net/dsa/dsa-port.yaml
> +++ b/Documentation/devicetree/bindings/net/dsa/dsa-port.yaml
> @@ -4,7 +4,7 @@
>  $id: http://devicetree.org/schemas/net/dsa/dsa-port.yaml#
>  $schema: http://devicetree.org/meta-schemas/core.yaml#
>  
> -title: Ethernet Switch port Device Tree Bindings
> +title: DSA Switch port Device Tree Bindings
>  
>  maintainers:
>    - Andrew Lunn <andrew@xxxxxxx>
> @@ -15,12 +15,9 @@ description:
>    Ethernet switch port Description
>  
>  allOf:
> -  - $ref: /schemas/net/ethernet-controller.yaml#
> +  - $ref: /schemas/net/ethernet-switch-port.yaml#
>  
>  properties:
> -  reg:
> -    description: Port number
> -
>    label:
>      description:
>        Describes the label associated with this port, which will become
> @@ -57,25 +54,6 @@ properties:
>        - rtl8_4t
>        - seville
>  
> -  phy-handle: true
> -
> -  phy-mode: true
> -
> -  fixed-link: true
> -
> -  mac-address: true
> -
> -  sfp: true
> -
> -  managed: true
> -
> -  rx-internal-delay-ps: true
> -
> -  tx-internal-delay-ps: true
> -
> -required:
> -  - reg
> -
>  # CPU and DSA ports must have phylink-compatible link descriptions
>  if:
>    oneOf:
> diff --git a/Documentation/devicetree/bindings/net/ethernet-switch-port.yaml b/Documentation/devicetree/bindings/net/ethernet-switch-port.yaml
> new file mode 100644
> index 000000000000..cb1e5e12bf0a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/ethernet-switch-port.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/ethernet-switch-port.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ethernet Switch port Device Tree Bindings
> +
> +maintainers:
> +  - Andrew Lunn <andrew@xxxxxxx>
> +  - Florian Fainelli <f.fainelli@xxxxxxxxx>
> +  - Vivien Didelot <vivien.didelot@xxxxxxxxx>
> +
> +description:
> +  Ethernet switch port Description
> +
> +$ref: ethernet-controller.yaml#
> +
> +properties:
> +  reg:
> +    description: Port number
> +
> +  phy-handle: true
> +
> +  phy-mode: true
> +
> +  fixed-link: true
> +
> +  mac-address: true
> +
> +  sfp: true
> +
> +  managed: true
> +
> +  rx-internal-delay-ps: true
> +
> +  tx-internal-delay-ps: true
> +
> +required:
> +  - reg
> +
> +additionalProperties: true
> +
> +...
> diff --git a/Documentation/devicetree/bindings/net/ethernet-switch.yaml b/Documentation/devicetree/bindings/net/ethernet-switch.yaml
> index fbaac536673d..f698857619da 100644
> --- a/Documentation/devicetree/bindings/net/ethernet-switch.yaml
> +++ b/Documentation/devicetree/bindings/net/ethernet-switch.yaml
> @@ -36,7 +36,9 @@ patternProperties:
>          type: object
>          description: Ethernet switch ports
>  
> -        $ref: /schemas/net/dsa/dsa-port.yaml#
> +        allOf:
> +          - $ref: /schemas/net/dsa/dsa-port.yaml#
> +          - $ref: ethernet-switch-port.yaml#

dsa-port.yaml references ethernet-switch-port.yaml, so you shouldn't 
need both here.

I imagine what you were trying to do here was say it is either one of 
these, not both. I don't think this is going work for the same reasons I 
mentioned with unevaluatedProperties.

Rob



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